@article{1183424465,
author = {Carmichael, R. D.},
title = {Elementary inequalities for the roots of an algebraic equation},
journal = {Bull. Amer. Math. Soc.},
volume = {25},
number = {3},
year = {1918},
pages = { 286-296},
language = {en},
url = {http://dml.mathdoc.fr/item/1183424465}
}
Carmichael, R. D. Elementary inequalities for the roots of an algebraic equation. Bull. Amer. Math. Soc., Tome 25 (1918) no. 3, pp. 286-296. http://gdmltest.u-ga.fr/item/1183424465/